3-BROMO-5-PHENYL-ISOXAZOLE

Base Information

• Chemical Name: 3-BROMO-5-PHENYL-ISOXAZOLE
• CAS No.: 10557-74-1
• Molecular Formula: C9H6BrNO
• Molecular Weight: 224.057
• Hs Code.: 2934999090
• Mol file: 10557-74-1.mol

Synonyms:3-Bromo-5-phenylisoxazole;NSC 295878;3-Bromo-5-phenyl-1,2-oxazole;

Chemical Property of 3-BROMO-5-PHENYL-ISOXAZOLE

Chemical Property:

• Vapor Pressure: 0.000587mmHg at 25°C
• Melting Point: 72-73℃
• Refractive Index: 1.58
• Boiling Point: 320.7 °C at 760 mmHg
• PKA: -6.62±0.28(Predicted)
• Flash Point: 147.7°C
• PSA: 26.03000
• Density: 1.524 g/cm³
• LogP: 3.10410
• Storage Temp.: 2-8°C

Purity/Quality:

98%,99%, ^*data from raw suppliers

3-Bromo-5-phenyl-1,2-oxazole ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3-BROMO-5-PHENYL-ISOXAZOLE

There total 9 articles about 3-BROMO-5-PHENYL-ISOXAZOLE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 95.0%

(E)-1-bromo-3-phenylpropynal oxime → 3-bromo-5-phenylisoxazole (10557-74-1)

Guidance literature:

With copper(I) bromide; In N,N-dimethyl-formamide; at 45 ℃; for 0.333333h; Solvent; Time;

DOI:10.1021/ol503008t

Reference yield: 94.0%

copper(I) phenylacetylenide (13146-23-1) + N-dibromomethylidenehydroxylamine (74213-24-4) → 3-bromo-5-phenylisoxazole (10557-74-1)

Guidance literature:

In 1,2-dichloro-ethane; at 45 ℃; for 1h; Reagent/catalyst; Temperature; Time;

DOI:10.1021/ol503008t

Reference yield: 92.0%

N-dibromomethylidenehydroxylamine (74213-24-4) + phenylacetylene (536-74-3) → 3-bromo-5-phenylisoxazole (10557-74-1)

Guidance literature:

With potassium hydrogencarbonate; In water; ethyl acetate; added dropwise during 6 hours at r.t., then stirring overnight;

DOI:10.1002/jhet.5570240109

upstream raw materials:

3-nitro-1-phenyl-propan-1-one

phenylethynylmagnesium bromide

N-dibromomethylidenehydroxylamine

phenylacetylene

Downstream raw materials:

3-methoxy-5-phenylisoxazole

3-ethoxy-5-phenylisoxazole

5-phenylisoxazole

Refernces

• 1、 -. "Process for the preparation of 3,5-disubstituted isoxazoles". . . Retrieved 2008/06/13.